package view;

import java.util.List;
import java.util.Map;

import controler.Listener;
import entities.ExchangeRate;

public interface View
{
	void start();
	void showMessage (String message);
	
	void showExchangeRateList (Map<String, ExchangeRate> exchange_rate_map);
	void addGetExchangeRateListListener (Listener listener);
	void removeGetExchangeRateListListener (Listener listener);
}
